The collection consists primarily of correspondence and manuscripts. There are letters from Korneĭ Chukovskiĭ, Mikhail Karpovich, Andre Mazon, Vladimir Nabokov, and Evgeniĭ Zami︠a︡tin. There is also one item each from Sergeĭ Esenin, Pavel Mili︠u︡kov, Ivan Pavlov, and Nikolaĭ Roerich. Manuscripts include photocopies of poems by Korneĭ Chukovskiĭ, Sergeĭ Esenin, and Boris Pasternak. There are subject files on Dostoevskiĭ, Turgenev, Soviet education, and Slavic studies in the United Studies, and a photograph of Isaak Babel ́with his daughter.

Correspondence, manuscripts, documents, photographs, subject files, printed materials, and memorabilia of historian George Vernadsky (Georgii Vladimirovich Vernadskii; 1887-1973). Most of the collection consists of his personal and professional papers, circa 1918-1973. Sizable groups of materials also concern members of his family, especially his wife Nina (1884-1971); his father, scientist Vladimir I. Vernadskii (1863-1945); his mother Nataliia E. Vernadskaia (1860-1943); and his sister Nina V. Toll' (1898-circa 1976).

The papers consist of correspondence, manuscripts, documents, subject files, photographs, a sound tape, and printed materials. There are many letters from Anton Kartashev; other correspondents include Mikhaĭl Karpovich, Philip Mosely, and Vasiliĭ Zenḱovskiĭ. There are manuscripts by Kartashev, Karpovich, and George Vernadsky, as well as by Novit︠s︡kiĭ himself on the Orthodox Church and the emigration. Subject files touch on his organizational activities. There are photographs of Novit︠s︡kiĭ with Dwight Eisenhower, Nelson Rockefeller, and Jacob Javits, and also of Zenḱovskiĭ. The sound tape is an interview with Novit︠s︡kiĭ on Voice of America about his father-in-law, Georgiĭ Shavelśkiĭ. Some of the materials concern Novit︠s︡kiĭ's brother, Evgeniĭ, and wife, Marii︠a︡.

Correspondence, manuscripts, photographs, and printed materials. Cataloged correspondents in the collection include letters from prominent figures, including Mark Aldanov, Mark Vishniak, and others. Among the manuscripts are A. Argunov's, "Iz perezhitogo," on Russian socialists in 1914-1917; a report by Kovarskii read to the Society of Russian Doctors in France, 1940 (Obshechestvo Russkikh Vrachei im. Mechnikova); and items on Soviet themes by Mark Vishniak, dated 1965-67. There is a photograph of Il'ia Fondaminskii, of Aleksandr Kerenskii, and of members of the Russian Constituent Assembly in France, 1922. One subject file concerns the death of Vladimir Zenzinov. Printed materials include catalogs and book lists from "Rodnik."

Most of the collection consists of the files of the Vserossiiskii natsional'nyi tsentr (Tsentrosoiuz; All-Russian National Center), an anti-Bolshevik body based in the South during the Civil War, for 1918-1922. Other materials relate to the emigration in France from the 1930s to the 1950s, when Krovopuskov was an official of "Zemgor" and Vasilii Maklakov's assistant in the "Russkii ofis" in Paris. Also included are personal documents and photographs of Krovopuskov. Printed materials dating from the Civil War include publications of the White southern government (laws and decrees).

The collection consists of correspondence, manuscripts, documents, a photograph, and printed material, primarily from the period 1941-1957. Included are letters from Ivan Bunin, Marc Chagall, Mikhail Karpovich, Vasiliĭ Maklakov, W. Somerset Maugham, Vladimir Nabokov, Ili︠́a︡ Repin, Edmund Wilson, Boris Zaĭt︠s︡ev and many others. Manuscripts of his works include "Istoki""Nachalo kont︠s︡a""Zhivi, kak khochesh"́, and "The Escape" (English translation of "Begstvo"), such shorter tales as "Noch ́v terminale""Povest ́o smerti", and "Ulḿskai︠a︡ noch"́, as well as numerous articles, book reviews and essays. There are financial records for "Novyĭ Zhurnal", which Aldanov helped found, and the clippings are mainly articles about Aldanov. There is one late photograph of Aldanov.

These papers consist of correspondence, manuscripts, documents, and printed materials. Most of the correspondence concerns Florinsky's publications and editorial work. Among the correspondents are Boris Bakhmeteff, Michael Karpovich, Aleksandr Meyendorff, Bernard Pares, James T. Shotwell, and Dmitriĭ Svi︠a︡topolk-Mirskiĭ: there are one or two items each from John Dewey, Herbert Hoover, Edwin Seligman, and Harry S. Truman. Manuscripts by Florinsky include his "Russia: A Short History" and some minor articles and book reviews. Other manuscripts include a poem by Bernard Pares and a study by Sergeĭ Prokopovich of the Soviet five-year plan of 1946-50; there is also a photograph of Meyendorff. Documents concern Florinsky's career at Columbia and also include book contracts. Printed materials consist chiefly of reviews of his works and reviews he wrote of others' books.

Correspondence, manuscripts, photographs, documents, subject files and printed materials of Sergei Grigor'evich Svatikov (1878/1880?-1942), Russian lawyer, historian, publicist, and public figure. The correspondence includes letters from Mark Aldanov, Vladimir Burtsev, Ivan Efremov, Georgii Grebenshchikov, Grigorii Lozinskii, Sergei Mel'gunov, Nikolai Rubakin, George Vernadsky and Mark Vishniak. There is a notebook that belonged to Vera Zasulich. Among the photographs are pictures of Prince Adam Jerzy Czartoryski, Sergei Mel'gunov, and Aleksander Wielopolski. The manuscripts include several by Svatikov as well as many notes, lists and bibliographical compendia relating to his oeuvre. The subject files cover such areas as the Russian Reading Hall in Heidelberg, the Turgenev Library in Paris, and the Russkii akademicheskii soiuz (Groupe academique russe), also in Paris. The printed materials include clippings, materials from the Institute d'ʹetudes slaves, and a number of books by Svatikov.

Correspondence, manuscripts, documents, photographs, subject files, drawings and printed material of the Vserossiiskii zemskii soiuz (All Russian Zemstvo Union). The correspondence, spanning the years 1920-1944, is for the most part addressed to Porfirii N. Sorokin, Executive Secretary of the organization's Vremennyi glavnyi komitet (Temporary Executive Committee), the coordinating unit for all the institutions of the Zemstvo Union. The manuscripts include writings by N. I. Astrov, V. D. Kuz'min-Karavaev, and others. The documents are almost exclusively minutes of the Temporary Executive Committee's meetings from the period 1919-1924. The photographs, for the most part unidentified, are of Russian refugee settlements and White Army encampments in the area of Constantinople and Gallipoli, ca. 1921. The subject files include some financial records, and the printed material include the Vserossiiskii zemskii soiuz bulletin from 1916-1921 as well as publications about the Rossiiskii Zemsko-gorodskoi komitet and the Vserossiiskii soiuz gorodov.